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Ring Watch Uses Magnetism Instead of LCD

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Okay ladies (and men who like wearing jewelry), here comes a novel ring concept by Charles Windlin, which loosely reminds me of this bad boy. It's a ring watch that uses 1,400 metal balls to tell the time. Each ball has a decorative and magnetic side, and is electrically activated to show the appropriate side to either tell the time or display a message. The creator claims that the ring uses far less energy than an LCD display. You know what else uses far less energy than an LCD display? A sundial. Except when you have to use a flashlight to read it at night. Then you're using batteries.

1,400 billes pour afficher l'heure [geek&hype]

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